Home / 124,395,363.60-186,509,064.60-66,112,688.40

Finding the Fourth Proportional to 124,395,363.60, 186,509,064.60 and 66,112,688.40

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Solution

The fourth proportional to 124,395,363.60, 186,509,064.60 and 66,112,688.40 is: 99,124,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,395,363.60 : 186,509,064.60 = 66,112,688.40 : x
  2. Step 2: Convert to fraction form
    124,395,363.60/186,509,064.60 = 66,112,688.40/x
  3. Step 3: Cross multiply
    124,395,363.60x = 186,509,064.60 × 66,112,688.40
  4. Step 4: Simplify right side
    124,395,363.60x = 12,330,615,671,675,270
  5. Step 5: Solve for x
    x = 12,330,615,671,675,270/124,395,363.60
  6. Step 6: Final answer
    x = 99,124,399.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.